| 1. | In bacterial , many enzymes compete for intracellular pep , especially the phosphotransferase system which is responsible for glucose transport in e . coli . this system uses pep as a phosphate donor and converts it to pyruvate , which is less likely to recycle back to pep
Pep和e4p是dahp合成的限制性底物，在大肠杆菌中， pep又是许多酶的竞争性底物，特别是负责葡萄糖转运的糖磷酸基转运系统。 |
